#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#define OFFSETOF(type,name)      (size_t)&(((type*)0)->name)

struct info
{
	char n;
	int  m;
};

int main()
{
	struct info s;
	printf("%d", OFFSETOF(struct info , m));


	return  0;
}